melissa: can you imagine you buy the fuel and put it among the manufacturers, chrysler, gm, toyota, especially in older vehicles and look at your manufacturers website if you're in this group, what happens with the e15 the fuel separates and ethanol in there is highly corrosive to your engine. is this new information? did we know this before? >> well, no, we've told the regulators about this we spent millions of dollars in research to try to understand that dynamic. in fact let me reiterate. in the oil and gas business we support biofuels. we're major investors and producers of biofuels but we don't think you should force more biofuels to be mixed with regular gasoline until you know its impact. other research shows it puts five million american cars that are already on the street at risk where it could have some engine damage. we think you need to look at all these other issues that are now starting to come to the surface, but regulators, the administration just moved forward mandating the fuel. melissa: what does it mean to have aaa coming in and putting out a warning, saying don't use it, a